Tian, Ruixue
Xu, Jingqi
He, Jing
Chen, Zhen
Liu, Yanqun
Chen, Xiaoli
Zou, Zhijie
Funding for this research was provided by:
National Natural Science Foundation of China (81903334)
Article History
Received: 7 March 2023
Accepted: 18 August 2023
First Online: 8 September 2023
Declarations
:
: The authors declare no competing interests.
: This study was approved by the ethics committee of Chongqing Health Center for Women and Children (No. 2020–022) and performed in accordance with the Declaration of Helsinki.
: Written informed consent for participation was not required because of the retrospective, anonymous nature of the study..